Chemistry Ch. 1-9

What type of geometry does hydrogen selenide have?

• angular

• diagonal

• dipolar

• liner

what causes the bright, colored lines in the spectrum of glowing hydrogen gas?

• electrons dropping from higher to lower energy levels

• electrons gradually spiraling closer to individual nuclei

• electrons jumping from lower to higher energy levels

• electrons striking atomic nuclei

Tags

NGSS.HS-PS4-3

Give the name for each group: group 16

what is a theoretical mass that exactly obeys the assumptions of the kinetic theory called?

_____ gas

kinetic energy is associated with an object's...

Tags

NGSS.HS-PS3-1

NGSS.HS-PS3-2

Give the name for each group: group 1

Tags

NGSS.HS-PS1-1

teo rows of elements set off by themselves below the main table

• nonmetals

• metals

• semimetals

• inner transition metals

what type of geometry does acetone (CH2O), in which three bonding pairs of electrons are arrayed around the central atom, have?

• quadratic

• tetrahedral

• trigonal planar

• trigonal pyramidal

Give the name for each group: group 2

what term refers to very hard substances, such as diamond, silicon carbide, and quartz, that contain covalent bonds but do not consist of discrete molecules?

• covalent networks

• hybrids

• resonance forms

• VSPER substances

Tags

NGSS.HS-PS1-3

NGSS.HS-PS2-6